.The United States signed up Friday for the 2010 Shanghai World Expo,_______it the last major country to join the event.
| A．making | B．made | C．to make | D．having made |
Some of the doctors are paid almost ______ as the nurses.
| A．twice as much | B．much as twice |
| C．as much twice | D．as twice much |
______ I’m well again, I can go on with my work.
| A．Even if | B．As though |
| C．Ever after | D．Now that |
He wants to see changes in the company and I am sure he will, ______.
| A．on time | B．at a time | C．at one time | D．in time |
________ seems strange to us is ________ the troublesome boy is getting along well with all his teachers.
| A．It; that | B．What; how | C．It; how | D．What; that |
We should consider the students’ request _____ the school library provide more books on popular science.
| A．that | B．when | C．which | D．what |